Lightweight Shoe with Decoration Structure and Manufacturing Method Thereof

ABSTRACT

In a lightweight shoe with a decoration structure and its manufacturing method, the shoe is made of a sole, a body and a decoration ring, and the sole is made of a foaming material, and the colored decoration ring is made of PVC, TPR or TPU and installed between the top rim of the sole and the body and exposed to the exterior for decorating the shoe.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a lightweight shoe with a decorationstructure and its manufacturing method, and more particularly to a shoehaving a decoration ring disposed between a body and a sole and amanufacturing method of the shoe.

2. Description of the Related Art

In general, a shoe comes with a vamp made of canvas, genuine leather orPU, and a sole manufactured by a sulfurization process, and the shoe ismanufactured in different colors to provide various decoration effectsappeal to consumers.

However, the foregoing shoe has the disadvantages of a highmanufacturing cost and a heavy weight, and thus cannot meet the marketrequirements for a lightweight design and a low cost.

The sole available in the market is made by a shaping technology andintegrated with a body, but the pattern and the color of the shoe areproduced by spraying paints, and the color may fade easily and thesulfurized shoe may lose its artistic look and durability. Therefore, itis an important subject for related manufacturers to overcome theforegoing shortcomings of the prior art.

SUMMARY OF THE INVENTION

It is a primary objective of the present invention to provide alightweight shoe with a decoration structure, such that the total weightof the shoe is light, and the color and the texture of the shoe can bemaintained.

Another objective of the present invention is to provide a manufacturingmethod of a lightweight shoe with a decoration structure, so that whenthe shoe is manufactured, a lightweight shoe with a decoration structurecan be manufactured by a simple and easy method to save manpower andmaterial costs.

To achieve the foregoing objectives, the structure of the presentinvention comprises: a body; a sole, made of a foaming material by amold, and having a protruding circular portion extended upward from thetop of the sole, and a groove portion formed in the protruding circularportion of the sole for placing and coupling the bottom of the bodybottom; and a decoration ring extended from the top rim of theprotruding circular portion, and integrally formed and manufactured indifferent colors and made of polyvinyl chloride (PVC), thermoplasticrubber (TPR) or thermoplastic polyurethane (TPU).

The manufacturing method of the invention comprises the steps of:manufacturing a sole by a foaming material in a mold, and forming aprotruding circular portion protruded from the top of the sole, andforming a groove portion in the protruding circular portion of the sole;extending a color decoration ring from the top rim of the protrudingcircular portion of the sole, and the decoration ring is made ofpolyvinyl chloride (PVC), thermoplastic rubber (TPR) or thermoplasticpolyurethane (TPU); and placing a body at the bottom into a grooveportion of the sole and securely combining the body with the sole tomanufacture the shoe.

The sole at the groove portion has an internal circumferential surfaceextended to the protruding circular portion, and the decoration ring hasan external circumferential surface coupled with the internalcircumferential surface of the sole, and the decoration ring is clampedbetween the sole and the body, and attached along the top rim of theprotruding circular portion accordingly.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a flow chart of a manufacturing method of the presentinvention; and

FIG. 5 is a schematic view of a structure in accordance with a preferredembodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

With reference to FIGS. 1 to 4 for a preferred embodiment of the presentinvention, the embodiment is provided for the purpose of illustratingthe invention, but not intended to limit the scope of the invention.

In this preferred embodiment, a lightweight shoe with a decorationstructure of the invention comprises:

a body 1, having a wearing space 11 recessed from the top of the body 1and corresponding to the shape of a foot, and the bottom of the wearingspace 11 of the body 1 being a closed bottom;

a sole 2, made of a foaming material and manufactured in a mold, andhaving a protruding circular portion 21 extended upward from the top ofthe sole 2, and a groove portion 22 formed in the protruding circularportion 21 of the sole 2 for placing and combining the bottom 12 of thebody 1, wherein the foaming material in the mold for manufacturing thesole 2 in accordance with this preferred embodiment is ethylene vinylacetate (EVA) copolymer; and

a decoration ring 3, extended from the top of the protruding circularportion 21, and disposed between the body 1 and the sole 2, and thedecoration ring 3 being integrally formed with a color and made of amaterial selected from the collection of polyvinyl chloride (PVC),thermoplastic rubber (TPR) and thermoplastic polyurethane (TPU), whereinthe decoration ring 3 of this preferred embodiment is made of PVC.

In this preferred embodiment, the sole 2 has an internal circumferentialsurface 23 at the groove portion 22 extended from the sole 2 to theprotruding circular portion 21, and the decoration ring 3 has anexternal circumferential surface 31 coupled with the internalcircumferential surface 23 of the sole 2, and the decoration ring 3 isclamped between the sole 2 and the body 1 and attached along the top rimof the protruding circular portion 21 correspondingly.

In this preferred embodiment, the decoration ring 3 has a circular strip32 connected to the top rim of the protruding circular portion 21, andthe circular strip 32 is substantially a circular cross-section.

With reference to FIG. 3 for a cross-sectional view of a decoration ring3 fixed between the sole 2 and the body 1 in accordance with the presentinvention, the decoration ring 3 can be formed (by an injection molding)at a desired position of the sole 2, and then the body 1 is adhered orsewed onto the sole 2 to constitute the shoe structure of the invention.Of course, the decoration ring 3 can be formed onto the body 1 first,and then the shoe is combined with the sole 2.

With reference to FIG. 4 for a manufacturing method of a lightweightshoe with a decoration structure in accordance with the presentinvention, the method comprises the steps of:

Forming a sole 41 by a foaming material in a mold: manufacturing a sole2 by a foaming material in a mold, wherein a protruding circular portion21 is integrally formed upward from the top of the sole 2, and a grooveportion 22 is formed in the protruding circular portion 21 of the sole2;

Manufacturing a color decoration ring 42: manufacturing an integrallyformed color decoration ring 3 by polyvinyl chloride (PVC),thermoplastic rubber (TPR) or thermoplastic polyurethane (TPU);

Manufacturing a body 43: forming a wearing space 11 recessed from thetop of the body and corresponding to the shape of a foot, and definingthe bottom of the wearing space 11 of the body 1 as a closed bottom 12;and

Assembling shoe 44: placing the bottom 12 of the body 1 in a grooveportion 22 of the sole 2 for a secured connection, and extending thedecoration ring 3 to the top rim of the protruding circular portion 21of the sole 2, and connecting the decoration ring 3 to manufacture thelightweight shoe with a decoration structure.

In this preferred embodiment, the foamed sole 2 at the groove portion 22is extended to an internal circumferential surface 23 of the protrudingcircular portion 21, and coupled to an external circumferential surface31 of the decoration ring 3, and clamped between the sole 2 and the body1, and attached onto the top rim of the protruding circular portion 21accordingly.

In this preferred embodiment, the decoration ring 3 has a circular strip32 attached to the top rim of the protruding circular portion 21, andthe circular strip 32 is substantially a circular cross-section.

In the manufacturing method of the invention, the sequence of steps canbe altered as needed. For instance, the decoration ring 3 is connectedto the body 1 first, and then combined with the sole 2, or thedecoration ring 3 is connected to the sole 2 first and then combinedwith the body 1, and either way can achieve the same effect and is notlimited to the aforementioned procedure.

From the description above, the sole 2 of the invention is made of afoaming material (EVA) in a mold, and thus the weight of the shoe can bereduced. More importantly, the decoration ring 3 is a color decorationobject made of PVC, TPR or TPU, and clamped between the sole 2 and thebody 1. Therefore, the decoration ring 3 of the invention can provide aspecial decoration effect, while maintaining the color and the goodtexture.

The manufacturing method of the present invention is provided formanufacturing a lightweight shoe with a decoration structure easily andachieving the effect of saving manpower and material costs.

With reference to FIG. 5 for a schematic view of a structure inaccordance with another preferred embodiment of the present invention,the difference of this preferred embodiment from the previous preferredembodiment resides on that the thickness of the rear section of the sole2A is larger than the thickness of the front section of the sole 2A, andthe circular strip 32 of the decoration ring 3 is attached to the toprim of the protruding circular portion 21A at the sole 2A to achieveanother different decoration effect.

1. A lightweight shoe with a decoration structure, comprising: a body,having a wearing space recessed from the top of the body andcorresponding to the shape of a foot, and the bottom of the wearingspace of the body being a closed bottom; a sole, made of a foamingmaterial and manufactured in a mold, and having a protruding circularportion extended upward from the top of the sole, and a groove portionformed in the protruding circular portion of the sole for placing andcombining the bottom of the body; a decoration ring, extended from thetop of the protruding circular portion, and disposed between the bodyand the sole, and the decoration ring being integrally formed indifferent colors and made of a material selected from the collection ofpolyvinyl chloride (PVC), thermoplastic rubber (TPR) and thermoplasticpolyurethane (TPU).
 2. The lightweight shoe with a decoration structureof claim 1, wherein the sole includes an internal circumferentialsurface disposed at the groove portion and extended to the protrudingcircular portion, and the decoration ring includes an externalcircumferential surface coupled with the internal circumferentialsurface of the sole, and the decoration ring is installed between thesole and the body and attached onto the top rim of the protrudingcircular portion accordingly.
 3. The lightweight shoe with a decorationstructure of claim 2, wherein the decoration ring includes a circularstrip connected to the top rim of the protruding circular portion, andthe circular strip is substantially a circular cross-section.
 4. Thelightweight shoe with a decoration structure of claim 2, wherein thedecoration ring is molded and combined with the sole, and then combinedwith the body.
 5. The lightweight shoe with a decoration structure ofclaim 2, wherein the decoration ring is molded and combined with thebody, and then combined with the sole.
 6. The lightweight shoe with adecoration structure of claim 1, wherein the sole is made of ethylenevinyl acetate (EVA) copolymer.
 7. A manufacturing method of alightweight shoe with a decoration structure, comprising: manufacturinga sole by a foaming material in a mold, and forming a protrudingcircular portion extended upward from the top of the sole, and forming agroove portion in the protruding circular portion of the sole;manufacturing an integrally formed color decoration ring, and thedecoration ring being made of a material selected from the collection ofpolyvinyl chloride (PVC), thermoplastic rubber (TPR) and thermoplasticpolyurethane (TPU); and manufacturing a body having a wearing spacerecessed from the top and corresponding to the shape of a foot, and thebottom of the body at the wearing space being defined as a closedbottom; assembling the shoe by placing the bottom of the body into agroove portion of the sole and combining the bottom of the body with thesole securely, and extending the decoration ring into the top rim of theprotruding circular portion of the sole, and combining the decorationring to manufacture the lightweight shoe with a decoration structure. 8.The manufacturing method of a lightweight shoe with a decorationstructure of claim 7, wherein the sole at the groove portion is extendedto an internal circumferential surface of the protruding circularportion and coupled with an external circumferential surface of thedecoration ring, and the decoration ring is clamped between the sole andthe body, and attached along the top rim of the protruding circularportion correspondingly.
 9. The manufacturing method of a lightweightshoe with a decoration structure of claim 8, wherein the decoration ringincludes a circular strip connected to the top rim of the protrudingcircular portion, and the circular strip is substantially a circularcross-section.